Public Health, based on blockchain as the underlying technology and chain, combines Big data, artificial intelligence, supply chain, Internet of Things and other technology applications, and through exploration and research in Digital identity, medical payment, health management, value medicine, clinical medicine, charity, insurance and other fields, helps enterprises, hospitals and customers coordinate relations, establish a trust mechanism, and provide technical support such as supervision and guidance, product research and development. Solve medical service problems, accelerate the sustainable and healthy development of the medical ecosystem, help the circulation and security of medical data, enhance the value of enterprises and research, and improve industry efficiency.PHC aims to fully utilize the platform advantages, resource advantages, technological advantages, and experience advantages of professional manufacturing and blockchain technology, and promote the development and application of blockchain technology in fields such as pharmaceutical traceability, pharmaceutical logistics, consumer safety healthcare, medical insurance fee control, and supply chain platforms....